diff --git a/api/views/__init__.py b/api/views/__init__.py
index 21aacd98..6a3fa8e9 100644
--- a/api/views/__init__.py
+++ b/api/views/__init__.py
@@ -33,8 +33,8 @@ from core.views import can_view, can_edit
 
 def check_if(obj, user, test):
     """
-        Detect if it's a single object or a queryset
-        aply a given test on individual object and return global permission
+    Detect if it's a single object or a queryset
+    aply a given test on individual object and return global permission
     """
     if isinstance(obj, QuerySet):
         for o in obj:
@@ -49,7 +49,7 @@ class ManageModelMixin:
     @action(detail=True)
     def id(self, request, pk=None):
         """
-            Get by id (api/v1/router/{pk}/id/)
+        Get by id (api/v1/router/{pk}/id/)
         """
         self.queryset = get_object_or_404(self.queryset.filter(id=pk))
         serializer = self.get_serializer(self.queryset)
diff --git a/api/views/api.py b/api/views/api.py
index 82d9942b..94dcf35c 100644
--- a/api/views/api.py
+++ b/api/views/api.py
@@ -33,7 +33,7 @@ from core.templatetags.renderer import markdown
 @renderer_classes((StaticHTMLRenderer,))
 def RenderMarkdown(request):
     """
-        Render Markdown
+    Render Markdown
     """
     try:
         data = markdown(request.POST["text"])
diff --git a/api/views/club.py b/api/views/club.py
index 38ce16be..d379d0b4 100644
--- a/api/views/club.py
+++ b/api/views/club.py
@@ -43,7 +43,7 @@ class ClubSerializer(serializers.ModelSerializer):
 
 class ClubViewSet(RightModelViewSet):
     """
-        Manage Clubs (api/v1/club/)
+    Manage Clubs (api/v1/club/)
     """
 
     serializer_class = ClubSerializer
diff --git a/api/views/counter.py b/api/views/counter.py
index 5b241031..a57093c3 100644
--- a/api/views/counter.py
+++ b/api/views/counter.py
@@ -45,7 +45,7 @@ class CounterSerializer(serializers.ModelSerializer):
 
 class CounterViewSet(RightModelViewSet):
     """
-        Manage Counters (api/v1/counter/)
+    Manage Counters (api/v1/counter/)
     """
 
     serializer_class = CounterSerializer
@@ -54,7 +54,7 @@ class CounterViewSet(RightModelViewSet):
     @action(detail=False)
     def bar(self, request):
         """
-            Return all bars (api/v1/counter/bar/)
+        Return all bars (api/v1/counter/bar/)
         """
         self.queryset = self.queryset.filter(type="BAR")
         serializer = self.get_serializer(self.queryset, many=True)
diff --git a/api/views/group.py b/api/views/group.py
index 5e6436af..f4bb9951 100644
--- a/api/views/group.py
+++ b/api/views/group.py
@@ -36,7 +36,7 @@ class GroupSerializer(serializers.ModelSerializer):
 
 class GroupViewSet(RightModelViewSet):
     """
-        Manage Groups (api/v1/group/)
+    Manage Groups (api/v1/group/)
     """
 
     serializer_class = GroupSerializer
diff --git a/api/views/launderette.py b/api/views/launderette.py
index cdcacd0a..96c831ef 100644
--- a/api/views/launderette.py
+++ b/api/views/launderette.py
@@ -72,7 +72,7 @@ class LaunderetteTokenSerializer(serializers.ModelSerializer):
 
 class LaunderettePlaceViewSet(RightModelViewSet):
     """
-        Manage Launderette (api/v1/launderette/place/)
+    Manage Launderette (api/v1/launderette/place/)
     """
 
     serializer_class = LaunderettePlaceSerializer
@@ -81,7 +81,7 @@ class LaunderettePlaceViewSet(RightModelViewSet):
 
 class LaunderetteMachineViewSet(RightModelViewSet):
     """
-        Manage Washing Machines (api/v1/launderette/machine/)
+    Manage Washing Machines (api/v1/launderette/machine/)
     """
 
     serializer_class = LaunderetteMachineSerializer
@@ -90,7 +90,7 @@ class LaunderetteMachineViewSet(RightModelViewSet):
 
 class LaunderetteTokenViewSet(RightModelViewSet):
     """
-        Manage Launderette's tokens (api/v1/launderette/token/)
+    Manage Launderette's tokens (api/v1/launderette/token/)
     """
 
     serializer_class = LaunderetteTokenSerializer
@@ -99,7 +99,7 @@ class LaunderetteTokenViewSet(RightModelViewSet):
     @action(detail=False)
     def washing(self, request):
         """
-            Return all washing tokens (api/v1/launderette/token/washing)
+        Return all washing tokens (api/v1/launderette/token/washing)
         """
         self.queryset = self.queryset.filter(type="WASHING")
         serializer = self.get_serializer(self.queryset, many=True)
@@ -108,7 +108,7 @@ class LaunderetteTokenViewSet(RightModelViewSet):
     @action(detail=False)
     def drying(self, request):
         """
-            Return all drying tokens (api/v1/launderette/token/drying)
+        Return all drying tokens (api/v1/launderette/token/drying)
         """
         self.queryset = self.queryset.filter(type="DRYING")
         serializer = self.get_serializer(self.queryset, many=True)
@@ -117,7 +117,7 @@ class LaunderetteTokenViewSet(RightModelViewSet):
     @action(detail=False)
     def avaliable(self, request):
         """
-            Return all avaliable tokens (api/v1/launderette/token/avaliable)
+        Return all avaliable tokens (api/v1/launderette/token/avaliable)
         """
         self.queryset = self.queryset.filter(
             borrow_date__isnull=True, user__isnull=True
@@ -128,7 +128,7 @@ class LaunderetteTokenViewSet(RightModelViewSet):
     @action(detail=False)
     def unavaliable(self, request):
         """
-            Return all unavaliable tokens (api/v1/launderette/token/unavaliable)
+        Return all unavaliable tokens (api/v1/launderette/token/unavaliable)
         """
         self.queryset = self.queryset.filter(
             borrow_date__isnull=False, user__isnull=False
diff --git a/api/views/user.py b/api/views/user.py
index bb45a8a2..be3d97f8 100644
--- a/api/views/user.py
+++ b/api/views/user.py
@@ -50,8 +50,8 @@ class UserSerializer(serializers.ModelSerializer):
 
 class UserViewSet(RightModelViewSet):
     """
-        Manage Users (api/v1/user/)
-        Only show active users
+    Manage Users (api/v1/user/)
+    Only show active users
     """
 
     serializer_class = UserSerializer
@@ -60,7 +60,7 @@ class UserViewSet(RightModelViewSet):
     @action(detail=False)
     def birthday(self, request):
         """
-            Return all users born today (api/v1/user/birstdays)
+        Return all users born today (api/v1/user/birstdays)
         """
         date = datetime.datetime.today()
         self.queryset = self.queryset.filter(date_of_birth=date)
diff --git a/api/views/uv.py b/api/views/uv.py
index d1099475..e9790e0b 100644
--- a/api/views/uv.py
+++ b/api/views/uv.py
@@ -29,10 +29,10 @@ def uv_endpoint(request):
 
 def find_uv(lang, year, code):
     """
-        Uses the UTBM API to find an UV.
-        short_uv is the UV entry in the UV list. It is returned as it contains
-        information which are not in full_uv.
-        full_uv is the detailed representation of an UV.
+    Uses the UTBM API to find an UV.
+    short_uv is the UV entry in the UV list. It is returned as it contains
+    information which are not in full_uv.
+    full_uv is the detailed representation of an UV.
     """
     # query the UV list
     uvs_url = settings.SITH_PEDAGOGY_UTBM_API + "/uvs/{}/{}".format(lang, year)
@@ -57,7 +57,7 @@ def find_uv(lang, year, code):
 
 def make_clean_uv(short_uv, full_uv):
     """
-        Cleans the data up so that it corresponds to our data representation.
+    Cleans the data up so that it corresponds to our data representation.
     """
     res = {}
 
diff --git a/club/forms.py b/club/forms.py
index 3f450f78..519f54f8 100644
--- a/club/forms.py
+++ b/club/forms.py
@@ -252,8 +252,8 @@ class ClubMemberForm(forms.Form):
 
     def clean_users(self):
         """
-            Check that the user is not trying to add an user already in the club
-            Also check that the user is valid and has a valid subscription
+        Check that the user is not trying to add an user already in the club
+        Also check that the user is valid and has a valid subscription
         """
         cleaned_data = super(ClubMemberForm, self).clean()
         users = []
@@ -276,7 +276,7 @@ class ClubMemberForm(forms.Form):
 
     def clean(self):
         """
-            Check user rights for adding an user
+        Check user rights for adding an user
         """
         cleaned_data = super(ClubMemberForm, self).clean()
 
diff --git a/club/views.py b/club/views.py
index 73c06dd8..574e7b47 100644
--- a/club/views.py
+++ b/club/views.py
@@ -290,7 +290,7 @@ class ClubMembersView(ClubTabsMixin, CanViewMixin, DetailFormView):
 
     def form_valid(self, form):
         """
-            Check user rights
+        Check user rights
         """
         resp = super(ClubMembersView, self).form_valid(form)
 
diff --git a/core/management/commands/compilestatic.py b/core/management/commands/compilestatic.py
index fd956333..51d99f6d 100644
--- a/core/management/commands/compilestatic.py
+++ b/core/management/commands/compilestatic.py
@@ -31,7 +31,7 @@ from django.conf import settings
 
 class Command(BaseCommand):
     """
-        Compiles scss in static folder for production
+    Compiles scss in static folder for production
     """
 
     help = "Compile scss files from static folder"
diff --git a/core/models.py b/core/models.py
index d0db1a94..c51c9aab 100644
--- a/core/models.py
+++ b/core/models.py
@@ -1490,7 +1490,9 @@ class OperationLog(models.Model):
         User, related_name="logs", on_delete=models.SET_NULL, null=True
     )
     operation_type = models.CharField(
-        _("operation type"), max_length=40, choices=settings.SITH_LOG_OPERATION_TYPE,
+        _("operation type"),
+        max_length=40,
+        choices=settings.SITH_LOG_OPERATION_TYPE,
     )
 
     def is_owned_by(self, user):
diff --git a/core/operations.py b/core/operations.py
index 3c6eae9b..29740292 100644
--- a/core/operations.py
+++ b/core/operations.py
@@ -33,16 +33,16 @@ from django.db import connection, migrations
 
 class PsqlRunOnly(migrations.RunSQL):
     """
-        This is an SQL runner that will launch the given command only if
-        the used DBMS is PostgreSQL.
-        It may be useful to run Postgres' specific SQL, or to take actions
-        that would be non-senses with backends other than Postgre, such 
-        as disabling particular constraints that would prevent the migration
-        to run successfully.
+    This is an SQL runner that will launch the given command only if
+    the used DBMS is PostgreSQL.
+    It may be useful to run Postgres' specific SQL, or to take actions
+    that would be non-senses with backends other than Postgre, such
+    as disabling particular constraints that would prevent the migration
+    to run successfully.
 
-        See `club/migrations/0010_auto_20170912_2028.py` as an example.
-        Some explanations can be found here too: 
-        https://stackoverflow.com/questions/28429933/django-migrations-using-runpython-to-commit-changes
+    See `club/migrations/0010_auto_20170912_2028.py` as an example.
+    Some explanations can be found here too:
+    https://stackoverflow.com/questions/28429933/django-migrations-using-runpython-to-commit-changes
     """
 
     def _run_sql(self, schema_editor, sqls):
diff --git a/core/scss/processor.py b/core/scss/processor.py
index 39f099f9..8a5c3334 100644
--- a/core/scss/processor.py
+++ b/core/scss/processor.py
@@ -35,9 +35,9 @@ from core.scss.storage import ScssFileStorage, find_file
 
 class ScssProcessor(object):
     """
-        If DEBUG mode enabled : compile the scss file
-        Else : give the path of the corresponding css supposed to already be compiled
-        Don't forget to use compilestatics to compile scss for production
+    If DEBUG mode enabled : compile the scss file
+    Else : give the path of the corresponding css supposed to already be compiled
+    Don't forget to use compilestatics to compile scss for production
     """
 
     prefix = iri_to_uri(getattr(settings, "STATIC_URL", "/static/"))
diff --git a/core/templatetags/renderer.py b/core/templatetags/renderer.py
index fe982c60..656efca3 100644
--- a/core/templatetags/renderer.py
+++ b/core/templatetags/renderer.py
@@ -94,7 +94,7 @@ def datetime_format_python_to_PHP(python_format_string):
 @register.simple_tag()
 def scss(path):
     """
-        Return path of the corresponding css file after compilation
+    Return path of the corresponding css file after compilation
     """
     processor = ScssProcessor(path)
     return processor.get_converted_scss()
diff --git a/core/views/__init__.py b/core/views/__init__.py
index 62dd1581..df075b9c 100644
--- a/core/views/__init__.py
+++ b/core/views/__init__.py
@@ -344,19 +344,19 @@ class QuickNotifMixin:
 
 class DetailFormView(SingleObjectMixin, FormView):
     """
-        Class that allow both a detail view and a form view
+    Class that allow both a detail view and a form view
     """
 
     def get_object(self):
         """
-            Get current group from id in url
+        Get current group from id in url
         """
         return self.cached_object
 
     @cached_property
     def cached_object(self):
         """
-            Optimisation on group retrieval
+        Optimisation on group retrieval
         """
         return super(DetailFormView, self).get_object()
 
diff --git a/core/views/forms.py b/core/views/forms.py
index 1cfa42d9..392acb3e 100644
--- a/core/views/forms.py
+++ b/core/views/forms.py
@@ -114,14 +114,11 @@ class SelectFile(TextInput):
             attrs["class"] = "select_file"
         else:
             attrs = {"class": "select_file"}
-        output = (
-            '%(content)s<div name="%(name)s" class="choose_file_widget" title="%(title)s"></div>'
-            % {
-                "content": super(SelectFile, self).render(name, value, attrs, renderer),
-                "title": _("Choose file"),
-                "name": name,
-            }
-        )
+        output = '%(content)s<div name="%(name)s" class="choose_file_widget" title="%(title)s"></div>' % {
+            "content": super(SelectFile, self).render(name, value, attrs, renderer),
+            "title": _("Choose file"),
+            "name": name,
+        }
         output += (
             '<span name="'
             + name
@@ -138,14 +135,11 @@ class SelectUser(TextInput):
             attrs["class"] = "select_user"
         else:
             attrs = {"class": "select_user"}
-        output = (
-            '%(content)s<div name="%(name)s" class="choose_user_widget" title="%(title)s"></div>'
-            % {
-                "content": super(SelectUser, self).render(name, value, attrs, renderer),
-                "title": _("Choose user"),
-                "name": name,
-            }
-        )
+        output = '%(content)s<div name="%(name)s" class="choose_user_widget" title="%(title)s"></div>' % {
+            "content": super(SelectUser, self).render(name, value, attrs, renderer),
+            "title": _("Choose user"),
+            "name": name,
+        }
         output += (
             '<span name="'
             + name
diff --git a/core/views/group.py b/core/views/group.py
index ca51a9d7..45472388 100644
--- a/core/views/group.py
+++ b/core/views/group.py
@@ -44,7 +44,7 @@ from core.views import CanEditMixin, DetailFormView
 
 class EditMembersForm(forms.Form):
     """
-        Add and remove members from a Group
+    Add and remove members from a Group
     """
 
     def __init__(self, *args, **kwargs):
@@ -66,7 +66,7 @@ class EditMembersForm(forms.Form):
 
     def clean_users_added(self):
         """
-            Check that the user is not trying to add an user already in the group
+        Check that the user is not trying to add an user already in the group
         """
         cleaned_data = super(EditMembersForm, self).clean()
         users_added = cleaned_data.get("users_added", None)
@@ -100,7 +100,7 @@ class GroupListView(CanEditMixin, ListView):
 
 class GroupEditView(CanEditMixin, UpdateView):
     """
-        Edit infos of a Group
+    Edit infos of a Group
     """
 
     model = RealGroup
@@ -111,7 +111,7 @@ class GroupEditView(CanEditMixin, UpdateView):
 
 class GroupCreateView(CanEditMixin, CreateView):
     """
-        Add a new Group
+    Add a new Group
     """
 
     model = RealGroup
@@ -121,8 +121,8 @@ class GroupCreateView(CanEditMixin, CreateView):
 
 class GroupTemplateView(CanEditMixin, DetailFormView):
     """
-        Display all users in a given Group
-        Allow adding and removing users from it
+    Display all users in a given Group
+    Allow adding and removing users from it
     """
 
     model = RealGroup
@@ -156,7 +156,7 @@ class GroupTemplateView(CanEditMixin, DetailFormView):
 
 class GroupDeleteView(CanEditMixin, DeleteView):
     """
-        Delete a Group
+    Delete a Group
     """
 
     model = RealGroup
diff --git a/counter/models.py b/counter/models.py
index aff1f2b5..3d3fef5b 100644
--- a/counter/models.py
+++ b/counter/models.py
@@ -89,9 +89,9 @@ class Customer(models.Model):
 
     def save(self, allow_negative=False, is_selling=False, *args, **kwargs):
         """
-            is_selling : tell if the current action is a selling
-            allow_negative : ignored if not a selling. Allow a selling to put the account in negative
-            Those two parameters avoid blocking the save method of a customer if his account is negative
+        is_selling : tell if the current action is a selling
+        allow_negative : ignored if not a selling. Allow a selling to put the account in negative
+        Those two parameters avoid blocking the save method of a customer if his account is negative
         """
         if self.amount < 0 and (is_selling and not allow_negative):
             raise ValidationError(_("Not enough money"))
@@ -527,7 +527,7 @@ class Selling(models.Model):
 
     def save(self, allow_negative=False, *args, **kwargs):
         """
-            allow_negative : Allow this selling to use more money than available for this user
+        allow_negative : Allow this selling to use more money than available for this user
         """
         if not self.date:
             self.date = timezone.now()
diff --git a/counter/signals.py b/counter/signals.py
index 0f4fad70..9c1f4b78 100644
--- a/counter/signals.py
+++ b/counter/signals.py
@@ -55,7 +55,9 @@ def write_log(instance, operation_type):
         return None
 
     log = OperationLog(
-        label=str(instance), operator=get_user(), operation_type=operation_type,
+        label=str(instance),
+        operator=get_user(),
+        operation_type=operation_type,
     ).save()
 
 
diff --git a/election/views.py b/election/views.py
index 78342cd2..db803c3f 100644
--- a/election/views.py
+++ b/election/views.py
@@ -24,8 +24,8 @@ from ajax_select import make_ajax_field
 
 class LimitedCheckboxField(forms.ModelMultipleChoiceField):
     """
-        Used to replace ModelMultipleChoiceField but with
-        automatic backend verification
+    Used to replace ModelMultipleChoiceField but with
+    automatic backend verification
     """
 
     def __init__(self, queryset, max_choice, **kwargs):
@@ -308,7 +308,7 @@ class VoteFormView(CanCreateMixin, FormView):
 
     def form_valid(self, form):
         """
-            Verify that the user is part in a vote group
+        Verify that the user is part in a vote group
         """
         data = form.clean()
         res = super(FormView, self).form_valid(form)
@@ -360,7 +360,7 @@ class CandidatureCreateView(CanCreateMixin, CreateView):
 
     def form_valid(self, form):
         """
-            Verify that the selected user is in candidate group
+        Verify that the selected user is in candidate group
         """
         obj = form.instance
         obj.election = Election.objects.get(id=self.election.id)
@@ -391,8 +391,8 @@ class ElectionCreateView(CanCreateMixin, CreateView):
 
     def form_valid(self, form):
         """
-            Allow every users that had passed the dispatch
-            to create an election
+        Allow every users that had passed the dispatch
+        to create an election
         """
         return super(CreateView, self).form_valid(form)
 
@@ -418,7 +418,7 @@ class RoleCreateView(CanCreateMixin, CreateView):
 
     def form_valid(self, form):
         """
-            Verify that the user can edit proprely
+        Verify that the user can edit proprely
         """
         obj = form.instance
         if obj.election:
@@ -461,7 +461,7 @@ class ElectionListCreateView(CanCreateMixin, CreateView):
 
     def form_valid(self, form):
         """
-            Verify that the user can vote on this election
+        Verify that the user can vote on this election
         """
         obj = form.instance
         if obj.election:
diff --git a/rootplace/management/commands/delete_all_forum_user_messages.py b/rootplace/management/commands/delete_all_forum_user_messages.py
index 3d6b4a22..8292d919 100644
--- a/rootplace/management/commands/delete_all_forum_user_messages.py
+++ b/rootplace/management/commands/delete_all_forum_user_messages.py
@@ -31,7 +31,7 @@ from rootplace.views import delete_all_forum_user_messages
 
 class Command(BaseCommand):
     """
-        Delete all forum messages from a user
+    Delete all forum messages from a user
     """
 
     help = "Delete all user's forum message"
diff --git a/rootplace/views.py b/rootplace/views.py
index 570cae7b..21298eff 100644
--- a/rootplace/views.py
+++ b/rootplace/views.py
@@ -93,10 +93,10 @@ def merge_users(u1, u2):
 
 def delete_all_forum_user_messages(user, moderator, verbose=False):
     """
-        Create a ForumMessageMeta that says a forum
-            message is deleted on every forum message of an user
-        user: the user to delete messages from
-        moderator: the one marked as the moderator
+    Create a ForumMessageMeta that says a forum
+        message is deleted on every forum message of an user
+    user: the user to delete messages from
+    moderator: the one marked as the moderator
     """
     for message in user.forum_messages.all():
         if message.is_deleted():
@@ -144,9 +144,9 @@ class MergeUsersView(FormView):
 
 class DeleteAllForumUserMessagesView(FormView):
     """
-        Delete all forum messages from an user
-        Messages are soft deleted and are still visible from admins
-        GUI frontend to the dedicated command
+    Delete all forum messages from an user
+    Messages are soft deleted and are still visible from admins
+    GUI frontend to the dedicated command
     """
 
     template_name = "rootplace/delete_user_messages.jinja"
diff --git a/stock/models.py b/stock/models.py
index f23ba277..f8696233 100644
--- a/stock/models.py
+++ b/stock/models.py
@@ -120,8 +120,7 @@ class ShoppingList(models.Model):
 
 
 class ShoppingListItem(models.Model):
-    """
-    """
+    """"""
 
     shopping_lists = models.ManyToManyField(
         ShoppingList,